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# definitions

## problem(n.)

1.a source of difficulty"one trouble after another delayed the job" "what's the problem?"

2.a question raised for consideration or solution"our homework consisted of ten problems to solve"

3.a state of difficulty that needs to be resolved"she and her husband are having problems" "it is always a job to contact him" "urban problems such as traffic congestion and smog"

# Merriam Webster

ProblemProb"lem (?), n. [F. problème, L. problema, fr. Gr. � anything thrown forward, a question proposed for solution, fr. � to throw or lay before; � before, forward + � to throw. Cf. Parable. ]

1. A question proposed for solution; a matter stated for examination or proof; hence, a matter difficult of solution or settlement; a doubtful case; a question involving doubt. Bacon.

2. (Math.) Anything which is required to be done; as, in geometry, to bisect a line, to draw a perpendicular; or, in algebra, to find an unknown quantity.

Problem differs from theorem in this, that a problem is something to be done, as to bisect a triangle, to describe a circle, etc.; a theorem is something to be proved, as that all the angles of a triangle are equal to two right angles.

Plane problem (Geom.), a problem that can be solved by the use of the rule and compass. -- Solid problem (Geom.), a problem requiring in its geometric solution the use of a conic section or higher curve.

# synonyms

## problem(n.)

bug, delay, difficulty, dilemma, disbelief, enigma, indecision, job, mess, nut, obstacle, predicament, puzzle, quandary, riddle, sum, tangle, trouble, uncertainty, vacillation, muck-up  (colloquial), muddle  (spéc. anglais britannique)

# analogical dictionary

problem[Classe]

exercise[Classe]

(problem)[Thème]

problem[ClasseHyper.]

problem (n.)

problem (n.)

# Problem

A problem is an obstacle, impediment, difficulty or challenge, or any situation that invites resolution; the resolution of which is recognized as a solution or contribution toward a known purpose or goal. A problem implies a desired outcome coupled with an apparent deficiency, doubt or inconsistency that prevents the outcome from taking place.

## Examples

• Mathematical problem is a question about mathematical objects and structures that may require a distinct answer or explanation or proof. Examples include word problems at school level or deeper problems such as shading a map with only four colours.
• In society, a problem can refer to particular social issues, which if solved would yield social benefits, such as increased harmony or productivity, and conversely diminished hostility and disruption.
• In business and engineering, a problem is a difference between actual conditions and those that are required or desired. Often, the causes of a problem are not known, in which case root cause analysis is employed to find the causes and identify corrective actions.
• In chess, a problem is a puzzle set by somebody using chess pieces on a chess board, for others to get instruction or intellectual satisfaction from determining the solution.
• In theology, there is what is referred to as the Synoptic Problem, regarding the Gospels' relationship to each other.
• In academic discourse a problem is a challenge to an assumption, an apparent conflict that requires synthesis and reconciliation. It is a normal part of systematic thinking, the address of which adds to or detracts from the veracity of a conclusion or idea.
• An optimization problem is finding the best solution from all feasible solutions. A good example of this type of problem is the travelling salesperson problem which is based on calculating the most efficient route between many places
• In computability theory a decision problem requires a simple yes-or-no answer.
• In rock climbing a problem is a series of rocks that forces the climber to climb.
• In reading, a problem is a combination of a series of words with the overall plotline, which the reader must attempt to decipher.
• In walking, a mobility problem is presented. Motion is achieved via mechanical interaction of the legs and a surface.

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Most English definitions are provided by WordNet .
English thesaurus is mainly derived from The Integral Dictionary (TID).
English Encyclopedia is licensed by Wikipedia (GNU).

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